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DC fast charging not as damaging to EV batteries as expected

As convenient as DC fast charging is, there have been lots of warnings that repeated dumping of so many electrons into an electric vehicle's battery pack in such a short time would reduce the battery's life. While everyone agrees that DC fast charging does have some effect on battery life, it may not be as bad as previously expected. Over on SimanaitisSays, Dennis Simanaitis, writes about a recent presentation by Matt Shirk of the Idaho National Laboratory (INL) called DC Fast, Wireless, And Conductive Charging Evaluation Projects (PDF) that describes an ongoing test of four 2012 Nissan Leaf EVs that are being charged in two pairs of two. One pair only recharges from 50-kW DC fast chargers, which the other two sip from 3.3-kW Level 2 chargers exclusively. Otherwise, the cars are operated pretty much the same: climate is automatically set to 72 degrees, are driven on public roads around Phoenix, AZ and have the same set of dedicated drivers is rotated through the four cars. "Degradation depends more on the miles traveled than on the nature of recharging." What's most interesting are the charts on page seven of Shirk's presentation (click the image above to enlarge), which show the energy capacity of each of the four vehicles. When they were new, the four batteries were each tested to measure their energy capacity and given a 0 capacity loss baseline. They were then tested at 10,000, 20,000, 30,000 and 40,000 miles, and at each point, the DC-only EVs had roughly the same amount of battery loss as the Level 2 test subjects. The DC cars did lose a bit more at each test, but only around a 25-percent overall loss after 40k, compared to 23 percent for the Level 2 cars. Simanaitis' takeaway is that, "INL data suggest that the amount of degradation depends more on the miles traveled than on the nature of recharging." The tests are part of the INLs' Advanced Vehicle Testing Activity work and a final report is forthcoming. These initial numbers from IPL do mesh with other research into DC fast charging, though. Mitsubishi said daily fast charging wouldn't really hurt the battery in the i-MiEV and MIT tests of a Fisker Karma battery showed just 10-percent loss over 1,500 rapid charge-discharge cycles.

West Coast labor dispute hampers Japanese automakers' US plants

The ongoing labor dispute between the International Longshore and Warehouse Union and port owners along the West Coast is starting to affect more Japanese automakers building vehicles in the US. The issue already forced Honda and Subaru to take the expensive option of airlifting some parts into the US weeks ago, and according to USA Today, Toyota and Nissan have begun doing so, as well. The choice hasn't been cheap, though, and Subaru's chief financial officer estimated that the decision cost around $60 million more per month than sending components by cargo ship. The effects continue to radiate, according to USA Today, and shortages of some models are possible. Honda is slowing production at its factories in Ohio, Indiana and Canada because the automaker doesn't have enough transmissions and electronics for some vehicles. Toyota already cut back on overtime at some factories. Nissan has only seen a small effect from the issue, though, because of its local suppliers. Dock workers and port owners have been negotiating on a new contract since last year, and the union has organized work slowdowns in response. According to USA Today, the automakers could move shipments to Canada or Mexico, but it would take longer for parts to arrive. News Source: USA TodayImage Credit: Mark Ralston / AFP / Getty Images Earnings/Financials Plants/Manufacturing UAW/Unions Honda Nissan Subaru Toyota shipping port labor dispute

Recharge Wrap-up: BMW, Nissan team up on chargers, CNN loves Tesla Model X

CNN Money calls the Tesla Model X "the new king of crossover SUVs." In its round-up of its favorite luxury SUVs of 2015, CNN places the electric ute on the top of its list. The Model X's EV powertrain, excellent acceleration and handling and cool design and technology features (including much attention paid to its slick Falcon Wing doors) earn it high praise. See the video above, and read more at CNN Money or from Clean Technica. Tesla has plans to open offices in Korea and South Africa. Tesla has registered in Korea as Tesla Korea Limited under co-CEOs Todd Maron (Tesla general council) and Susan Repo (Tesla Financial Services). It will have an office near Seoul. Tesla is also reportedly opening an office in South Africa in January, with GreenCape CEO Evan Rice acting as Business Development Manager. Rice will work to build a market for Tesla's PowerPack stationary energy storage systems. Read more from Korea Times, from htxt and from Teslarati. BMW and Nissan are partnering to build 120 new fast charging stations in the US. The public, 50-kW DC chargers, operating on the Greenlots charging network, will be deployed in 19 states in order to support Nissan Leaf and BMW i3 drivers, and to help promote EV adoption in the US. The chargers will support both CHAdeMO and SAE Combo charging. "Together with Nissan, we are focused on facilitating longer distance travel so that even more drivers will choose to experience the convenience of e-mobility for themselves," says BMW's Manager of Connected eMobility, Cliff Fietzek. Kia also recently partnered with Greenlots to provide charging for Soul EV drivers. Read more in the press release below. BMW AND NISSAN PARTNER TO DEPLOY DUAL FAST CHARGERS ACROSS THE U.S. TO BENEFIT ELECTRIC VEHICLE DRIVERS • A total of 120 dual-port 50kW DC Fast-charging stations have been installed across 19 states to support longer distance electric vehicle travel for Nissan LEAF and BMW i3 drivers. • These publicly available Greenlots-networked charging stations include both CHAdeMO and CCS (Combo) connectors, suitable for all DC Fast charging-capable electric vehicles in the U.S. WOODCLIFF LAKE, NJ and NASHVILLE, TN - December 21, 2015... BMW and Nissan are joining forces to offer public DC Fast charging at 120 locations across 19 states in an effort to support Nissan LEAF and BMW i3 customers and to promote increased adoption of electric vehicles (EVs) nationwide.